{
  "manageEntity": {
    "action": "Create",
    "entityId": "1450140042",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"genre\":\"Rock\",\"release_date\":\"2025-01-01T00:00:00.000Z\",\"title\":\"Mach 1\",\"ddex_release_ids\":{\"icpn\":\"1963624490987\",\"proprietary_id\":\"8473e901-ea9a-4c6b-8d9d-31043a515702\"},\"ddex_app\":\"0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f\",\"artists\":[{\"name\":\"James Reeder\",\"roles\":[\"MainArtist\"]}],\"resource_contributors\":[],\"indirect_resource_contributors\":[],\"rights_controller\":{\"name\":\"James C Reeder\",\"roles\":[\"RightsController\"]},\"copyright_line\":null,\"producer_copyright_line\":{\"year\":\"2025\",\"text\":\"OnChain Music\"},\"parental_warning_type\":\"NotExplicit\",\"owner_id\":261964999,\"field_visibility\":{\"genre\":true,\"mood\":true,\"tags\":true,\"share\":true,\"play_count\":true},\"track_segments\":[],\"track_cid\":\"baeaaaiqseadphyii2tjzwq4or3d2v6qiojtu6doijhlucnjslfqcfwhxn4ox2\",\"orig_file_cid\":\"baeaaaiqsebu42yywyw5sfx3hjybuk4bkr65oaxcd334ojcx4rr2yln6mumibc\",\"orig_filename\":\"Mach 1-9c689651-fa03-4af5-bf86-c6b2d215cded.mp3\",\"audio_upload_id\":\"01KRF1ZYD54EE37T2BXG619CYH\",\"cover_art_sizes\":\"01KRF1ZWFBRJJ7VYHE7D96Y2A0\",\"duration\":151,\"bpm\":153,\"musical_key\":\"G flat minor\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x9fc1f3ad76ad2f2d0f0d4e8d0b4c3b0a73d3af1513067357f3d32aade01bc591",
    "signature": "0x9ba0dd6de0f72658f81cddf9620c27240ddc4552bb4774f9fa3f88ee34bf9ea07ff98e31bc0d05a809398c4b5f0b50ddf8172b134cbfd1d105fd544d388e509f1b",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "261964999"
  }
}